Inventor · disambiguated record
Masato Hara
Also filed as: HARA MASATO
45 granted patents·5 pending applications·757 citations·filing 1981–2022
98Inventor score
Files withASAHI OPTICAL CO LTD33PENTAX CORP8CANON KK2OMRON TATEISI ELECTRONICS CO2SANKEN ELECTRIC CO LTD2
Top patents by PatentIndex Score
50 records- 0194US6148097AOptical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 1996·Granted Nov 14, 2000·47 cites·26 claims
- 0293US5828500AOptical element inspecting apparatusASAHI OPTICAL CO LTD·Filed 1996·Granted Oct 27, 1998·76 cites·23 claims
- 0387US6476909B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Nov 5, 2002·16 cites·9 claims
- 0482US6804386B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Oct 12, 2004·11 cites·10 claims
- 0582US5838431ALaser marking deviceASAHI OPTICAL CO LTD·Filed 1997·Granted Nov 17, 1998·82 cites·32 claims
- 0681US5847822AOptical element inspecting apparatusASAHI OPTICAL CO LTD·Filed 1996·Granted Dec 8, 1998·55 cites·38 claims
- 0778US5991102ABeam protecting deviceASAHI OPTICAL CO LTD·Filed 1995·Granted Nov 23, 1999·46 cites·15 claims
- 0877US6697513B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Feb 24, 2004·9 cites·9 claims
- 0975US6349145B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Feb 19, 2002·8 cites·7 claims
- 1073US5978148ABeam projecting deviceASAHI OPTICAL CO LTD·Filed 1998·Granted Nov 2, 1999·33 cites·16 claims
- 1172US7859138B2Drive circuitSANKEN ELECTRIC CO LTD·Filed 2006·Granted Dec 28, 2010·2 cites·9 claims
- 1272US5835207AOptical member inspecting apparatusASAHI OPTICAL CO LTD·Filed 1996·Granted Nov 10, 1998·31 cites·23 claims
- 1370US4543477ASafety device for detecting trouble in optical transmission fibersASAHI OPTICAL CO LTD·Filed 1983·Granted Sep 24, 1985·85 cites·10 claims
- 1468US6636625B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Oct 21, 2003·5 cites·18 claims
- 1566US6853441B2Projection alignerPENTAX CORP·Filed 2002·Granted Feb 8, 2005·9 cites·13 claims
- 1666US4883955AOptical encoder with converging meansASAHI OPTICAL CO LTD·Filed 1988·Granted Nov 28, 1989·18 cites·10 claims
- 1764US6314200B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Nov 6, 2001·4 cites·1 claims
- 1861US6304669B1Photogrammetric analytical measurement systemASAHI OPTICAL CO LTD·Filed 1998·Granted Oct 16, 2001·32 cites·8 claims
- 1960US6351554B1Optical member inspecting apparatus and method of inspection thereofASAHI KUGAKU KOGYO KABUSHIKI K·Filed 2000·Granted Feb 26, 2002·4 cites·3 claims
- 2059US6535627B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Mar 18, 2003·3 cites·5 claims
- 2155US6807013B2Projection alignerPENTAX CORP·Filed 2002·Granted Oct 19, 2004·4 cites·19 claims
- 2254US6727979B2Projection alignerPENTAX CORP·Filed 2003·Granted Apr 27, 2004·6 cites·10 claims
- 2354US6628803B1Device for calculating positional data of standard points of photogrammetric targetPENTAX CORP·Filed 1999·Granted Sep 30, 2003·23 cites·5 claims
- 2454US6477264B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Nov 5, 2002·2 cites·9 claims
- 2554US6430310B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Aug 6, 2002·2 cites·7 claims
- 2653US4633419AAngle measuring deviceASAHI OPTICAL CO LTD·Filed 1984·Granted Dec 30, 1986·9 cites·5 claims
- 2752US5675422AFacsimile apparatusCANON KK·Filed 1994·Granted Oct 7, 1997·13 cites·13 claims
- 2851US5026978APhotoelectric switch having pulse driver circuitryOMRON TATEISI ELECTRONICS CO·Filed 1990·Granted Jun 25, 1991·22 cites·17 claims
- 2950US5315403AFacsimile apparatus in which input to memory is controlled based upon capacity of external storage deviceCANON KK·Filed 1992·Granted May 24, 1994·11 cites·15 claims
- 3049US8415989B2Switching device for electric circuitSHINODA AKIHIRO·Filed 2011·Granted Apr 9, 2013·1 cites·17 claims
- 3149US6717683B1Target for photogrammetric analytical measurement systemPENTAX CORP·Filed 1999·Granted Apr 6, 2004·15 cites·6 claims
- 3249US6434263B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Aug 13, 2002·1 cites·3 claims
- 3349US6427023B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Jul 30, 2002·1 cites·5 claims
- 3448US4626682AAngle measuring deviceASAHI OPTICAL CO LTD·Filed 1984·Granted Dec 2, 1986·8 cites·6 claims
- 3548US4620092AElevation angle measuring device with apparatus for disabling the device when its inclination angle is offset from a predetermined inclination angleASAHI OPTICAL CO LTD·Filed 1983·Granted Oct 28, 1986·8 cites·11 claims
- 3646US4678910AReference position-detecting device for photoelectric encoderASAHI OPTICAL CO LTD·Filed 1985·Granted Jul 7, 1987·8 cites·3 claims
- 3745US6839124B2Projection alignerPENTAX CORP·Filed 2002·Granted Jan 4, 2005·1 cites·9 claims
- 3844US2024146896A1Imaging device and three-dimensional display deviceKYOCERA CORP·Filed 2022·Application pending·0 cites
- 3942US4990768AElectronic apparatus including photoelectric switchOMRON TATEISI ELECTRONICS CO·Filed 1989·Granted Feb 5, 1991·12 cites·8 claims
- 4041US2016087529A1Bootstrap CircuitSANKEN ELECTRIC CO LTD·Filed 2014·Application pending·0 cites
- 4140US6788804B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Sep 7, 2004·0 cites·4 claims
- 4240US6363165B1Optical member inspecting apparatus and method of inspection thereofASAHI OPTICAL CO LTD·Filed 2000·Granted Mar 26, 2002·0 cites·7 claims
- 4338US2003095339A1Projection alignerPENTAX CORP·Filed 2002·Application pending·0 cites
- 4437US4700063AEncoder output error detecting circuitASAHI OPTICAL CO LTD·Filed 1986·Granted Oct 13, 1987·5 cites·3 claims
- 4537US2002060650A1Schematic illustration drawing apparatus and methodASAHI OPTICAL CO LTD·Filed 2001·Application pending·0 cites
- 4636US6208475B1Optical-member inspection apparatus and holder for inspection target memberASAHI OPTICAL CO LTD·Filed 1999·Granted Mar 27, 2001·7 cites·15 claims
- 4735US4486080ADevice for detecting blinking of an eye under examinationASAHI OPTICAL CO LTD·Filed 1981·Granted Dec 4, 1984·13 cites·1 claims
- 4835US2003117602A1Projection alignerPENTAX CORP·Filed 2002·Application pending·0 cites
- 4932US4702008AZero setting device in surveying instrumentASAHI OPTICAL CO LTD·Filed 1986·Granted Oct 27, 1987·4 cites·6 claims
- 5027US4540253AMethod and device for measuring eye refraction errorsASAHI OPTICAL CO LTD·Filed 1984·Granted Sep 10, 1985·5 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →